Related Party Balances and Transactions - Schedule of Amount Due from a Related Party-current (Detail) ¥ in Thousands, $ in Thousands	Dec. 31, 2022 CNY (¥)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 CNY (¥)
Related Party Transaction [Line Items]
Amounts due from related parties	¥ 55	$ 8	¥ 0
Others [Member]
Related Party Transaction [Line Items]
Amounts due from related parties	¥ 55		¥ 0

The aggregate amount of receivables to be collected from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth, at the financial statement date. which are usually due within one year (or one business cycle).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section S99
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+ Details